Lucene search
+L

CVE-2026-63803

🗓️ 19 Jul 2026 12:02:08Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Fix per-proto timer synchronization before freeing hdlc state to avoid use-after-free.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63803
19 Jul 202612:02
attackerkb
Cvelist
CVE-2026-63803 hdlc_ppp: sync per-proto timers before freeing hdlc state
19 Jul 202612:02
cvelist
EUVD
EUVD-2026-45469
19 Jul 202612:02
euvd
NVD
CVE-2026-63803
19 Jul 202612:16
nvd
OSV
CVE-2026-63803 hdlc_ppp: sync per-proto timers before freeing hdlc state
19 Jul 202612:02
osv
OSV
DEBIAN-CVE-2026-63803
19 Jul 202612:16
osv
OSV
UBUNTU-CVE-2026-63803
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61119
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-63803
20 Jul 202616:47
redhatcve
SUSE CVE
SUSE CVE-2026-63803
19 Jul 202617:35
susecve
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.125.15.211
linuxlinux_kernelRange5.16.06.1.177
linuxlinux_kernelRange6.2.06.6.144
linuxlinux_kernelRange6.7.06.12.95
linuxlinux_kernelRange6.13.06.18.38
linuxlinux_kernelRange6.19.07.1.3
linuxlinux_kernelRange7.2.07.2-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wan/hdlc_ppp.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "8308122bc9c065b1f376e081ed300129a2ac9545",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "ce8f9ddca0c9f217342a8b49efd309aa35b81a36",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "508a0139d3bf60f6a03d2fbfb63a89a9463d983a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "c64dbef1c0fbd36f9530aa75112acdf6a6d3cfd8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "5a84398101bf9f11e84b176343e4e3ba83e668c0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a594debfd4e7ec39413647458907f689ef57fd2f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "c78a4e41ab5ead6193ad8a2dd92e8906bae659fa",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wan/hdlc_ppp.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.211",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

20 Jul 2026 15:16Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
9